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Date: Thu, 1 Jul 2004 15:19:35 -0700
From: Andrew Morton <akpm@osdl.org>
To: Mike Kravetz <kravetz@us.ibm.com>
Cc: viro@math.psu.edu, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] task name handling in proc fs
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References: <20040701220510.GA6164@w-mikek2.beaverton.ibm.com>
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Mike Kravetz <kravetz@us.ibm.com> wrote:
>
> --- linux-2.6.7/fs/proc/array.c	Wed Jun 16 05:19:36 2004
> +++ linux-2.6.7.ptest/fs/proc/array.c	Thu Jul  1 17:44:14 2004
> @@ -97,14 +97,14 @@
>  		name++;
>  		i--;
>  		*buf = c;
> -		if (!c)
> +		if (!*buf)
>  			break;
> -		if (c == '\\') {
> -			buf[1] = c;
> +		if (*buf == '\\') {
> +			buf[1] = *buf;
>  			buf += 2;
>  			continue;
>  		}
> -		if (c == '\n') {
> +		if (*buf == '\n') {
>  			buf[0] = '\\';
>  			buf[1] = 'n';
>  			buf += 2;

What is this code for?